| Argentina (2) |
|---|
| Delbonis, Federico | | Pella, Guido |
| | | | Bosnien og Herzegovina (1) |
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| Dzumhur, Damir |
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| Brasilien (1) |
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| Bellucci, Thomaz |
| | Bulgarien (1) |
|---|
| Dimitrov, Grigor |
| | | Kroatien (2) |
|---|
| Coric, Borna | | Karlovic, Ivo |
|
| Tjekkiet (3) |
|---|
| Berdych, Tomas | | Rosol, Lukas | | Vesely, Jiri |
| | Frankrig (11) |
|---|
| Chardy, Jeremy | | Gasquet, Richard | | Herbert, Pierre-Hugues | | Mahut, Nicolas | | Mannarino, Adrian | | Monfils, Gael | | Paire, Benoit | | Pouille, Lucas | | Robert, Stephane | | Simon, Gilles | | Tsonga, Jo-Wilfried |
| | Tyskland (3) |
|---|
| Kohlschreiber, Philipp | | Struff, Jan-Lennard | | Zverev, Alexander |
| | Italien (3) |
|---|
| Cecchinato, Marco | | Fognini, Fabio | | Lorenzi, Paolo |
|
| | Luxembourg (1) |
|---|
| Muller, Gilles |
| | |
| Rusland (3) |
|---|
| Gabashvili, Teymuraz | | Kuznetsov, Andrey | | Rublev, Andrey |
| | Serbien (3) |
|---|
| Djokovic, Novak | | Krajinovic, Filip | | Troicki, Viktor |
| | Slovenien (1) |
|---|
| Bedene, Aljaz |
| | Spanien (12) |
|---|
| Almagro, Nicolas | | Bautista Agut, Roberto | | Carreno Busta, Pablo | | Cervantes, Inigo | | Ferrer, David | | Garcia-Lopez, Guillermo | | Gimeno-Traver, Daniel | | Granollers, Marcel | | Lopez, Feliciano | | Nadal, Rafael | | Ramos-Vinolas, Albert | | Verdasco, Fernando |
|
| Schweizisk (2) |
|---|
| Federer, Roger | | Wawrinka, Stan |
| | Storbritannien (1) |
|---|
| Murray, Andy |
| |